品牌索引
产品分类 > 小信号开关二极管> 瞬态电压抑制器TVS/ESD> 双极管二极管> 调谐二极管> 齐纳(稳压)二极管> 小信号肖特基二极管> 频带转换二极管> 中/高功率管> 射频PIN二极管> Sinterglass二极管> 整流器 > N沟道(N-Channel)> P沟道(P-Channel)> 双N沟道(Dual N-Channel)> 双P沟道(Dual P-Channel)> 双N和P沟道(Dual N and P-Channel)
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产品介绍 DS2227FEATURES
Flexibly organized as 128k x 32, 256k x 16, or 512k x 8 bits Data retention >10 years in the absence of VCC Nonvolatile circuitry transparent to and independent from host system Automatic write protection circuitry safeguards against data loss Separate chip enables allow access by byte, word, or long word Fast access times: 70 ns, 100 ns, or 120 ns Unlimited write cycles Read cycle time equals write cycle time Employs popular JEDEC standard 72-position SIMM connection scheme Lithium energy source is electrically disconnected to retain freshness until power is applied for the first time |
